具有Dzialoshinski-Moriya相互作用的XXZ自旋链所形成热态的贝尔不等式违背

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摘要研究了Dzialoshinski-Moriya(DM)相互作用对由XXZ自旋链所形成热态的贝尔不等式违背的影响.结果表明DM相互作用和具有较大正值的各向异性参数可以增强贝尔不等式的违背并能够提高贝尔不等式违背的临界温度.通过贝尔不等式违背和热纠缠的对比,发现热纠缠的临界温度高于贝尔不等式违背的临界温度,这表明一些量子纠缠态不违背贝尔不等式.

作者马小三王安民

机构地区安徽工业大学电气信息学院中国科学技术大学近代物理系

出处《中国科学：物理学、力学、天文学》 CSCD 北大核心 2010年第11期1387-1392,共6页 Scientia Sinica Physica,Mechanica & Astronomica

基金国家自然科学基金(批准号:10947115和10975125) 安徽省高校优秀人才基金(编号:2010SQRL037ZD)资助项目

关键词贝尔不等式违背临界温度 DM相互作用

分类号 O431.2 [机械工程—光学工程]

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参考文献8

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中国科学：物理学、力学、天文学

2010年第11期

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具有Dzialoshinski-Moriya相互作用的XXZ自旋链所形成热态的贝尔不等式违背

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二级参考文献63

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